50HZ SDEC SC15G500D2 375kVA/300kW Diesel Generator Set

SDEC 375kVA/300kW Diesel Generator Set
1. Technical Parameter
Technical Item | Specific Parameters |
Genset Model | SDEC SC15G500D2 Diesel Generator Set |
Rated Frequency | 50Hz |
Prime Power (kW/kVA) | 300kW / 375kVA |
Standby Power (kW/kVA) | 330kW / 413kVA |
Full Load Fuel Consumption (L/H) | 79.8 |
Rated Speed | 1500 RPM |
Rated Voltage | 400V/230V |
Power Factor | 0.8 Lagging |
Output Phase | Three-phase four-wire |
Cooling System | Water-cooled with integrated radiator |
Starting Mode | 24V DC Electric Start |
Engine Brand | SDEC (Shanghai Diesel Engine) |
Engine Model | SC15G500D2 |
Engine Structure | 6-cylinder inline, 4-stroke, water-cooled |
Intake Mode | Turbocharged & air-to-air intercooled |
Bore × Stroke | 135mm × 165mm |
Displacement | 14.16L |
Fuel Injection Mode | Mechanical direct injection |
Firing Order | 1-5-3-6-2-4 |
Engine Rated Power | 330kW |
Speed Governing Mode | Electronic speed control (Governor rate ≤5%) |
Engine Dry Weight | 1290kg |
Emission Standard | China National II / Euro III |
Alternator Excitation Type | Brushless, self-excited |
Insulation Grade | H Grade |
Protection Grade | IP23 |
Low-temperature Startup Capacity | -15℃ reliable cold start |
Optional Configuration | Silent canopy, weatherproof enclosure, ATS automatic transfer switch, remote monitoring system |
2. Core Product Features
The SDEC SC15G500D2 300kW/375kVA diesel generator set is a heavy-duty high-power industrial genset developed on SDEC mature SC15G series engine platform. As a high-performance 375kVA SDEC diesel generator set widely used in large-scale industrial and engineering fields, this unit adopts 14.16L large-displacement turbocharged intercooled technology and 6-cylinder inline industrial-grade structure. It features sufficient power reserve, strong overload capacity and ultra-stable long-hour continuous operation performance, effectively solving the problems of insufficient power output and easy overload shutdown of medium-power gensets under heavy-load working conditions.
In terms of power performance, the genset is equipped with genuine SDEC SC15G500D2 generator-specific diesel engine with a rated engine power up to 330kW, providing ample power redundancy for long-term high-load operation. The stable prime power reaches 300kW, and the maximum emergency standby power can reach 330kW. As a high-reliability 300kW prime power diesel generator, it can withstand 24-hour uninterrupted full-load operation and frequent sudden load impact. Supported by high-precision electronic speed governing technology, the unit maintains extremely low frequency and voltage fluctuation during operation, delivering clean and stable power quality. This stable output can fully protect high-power industrial equipment and precision electrical instruments from impact damage caused by power jitter, ensuring continuous and stable production operation.
In terms of operational safety and environmental adaptability, the matched brushless self-excited alternator completely abandons the traditional carbon brush friction structure. This mature structural optimization eliminates electric spark hidden dangers and frequent carbon brush wear failures, greatly reducing daily fault occurrence rates and improving overall operational safety. With H-grade high-temperature resistant insulation material and IP23 dust-proof and rain-proof protection grade, this 413kVA standby diesel generator can adapt to various harsh working environments, including dusty industrial workshops, humid outdoor construction sites and high-temperature closed operation workshops. It supports reliable cold start at -15℃ without auxiliary heating equipment, perfectly adapting to winter low-temperature construction in northern regions and long-term outdoor fixed power supply scenarios, with excellent environmental tolerance far exceeding ordinary medium and high-power gensets.
In terms of structural durability and operational economy, the SDEC SC15G500D2 industrial engine has passed strict industrial durability tests and long-term market verification. The optimized mechanical direct injection fuel system ensures sufficient fuel combustion under heavy load, with full-load fuel consumption stably controlled at 79.8L/H, maintaining a reasonable energy-saving level for 375kVA-class heavy-duty gensets. The whole machine adopts reinforced cast iron body and standardized integrated pipeline layout, effectively reducing oil leakage, air leakage and water leakage risks. The 1290kg lightweight engine structure ensures compact installation and convenient daily maintenance. Equipped with universal vulnerable parts and supported by SDEC’s nationwide after-sales system, the unit effectively lowers long-term operation and maintenance costs for enterprise users and engineering projects.
In terms of functional scalability and intelligent application, the genset supports diversified customized configurations to meet different scenario demands. The optional silent canopy can effectively reduce operating noise, complying with urban environmental protection noise standards and suitable for projects near residential areas and commercial zones. The customized weatherproof enclosure enables long-term outdoor unattended fixed installation. Equipped with an ATS automatic transfer switch, the unit can realize unmanned automatic start-stop and seamless switching between municipal power and generator power. The optional remote monitoring module supports real-time viewing of operating data and active fault alarm, greatly improving the intelligent level and power guarantee reliability of the equipment.
3. Main Application Scenarios
Relying on outstanding heavy-load resistance, stable long-hour continuous operation and strong environmental adaptability, the SDEC SC15G500D2 diesel generator set covers multiple high-demand fields such as heavy industrial production, large-scale infrastructure engineering, key public facilities, mining operations and emergency power guarantee, and is the preferred high-power power supply equipment for large-scale high-load scenarios.
Heavy Industrial Production Scenarios: It is widely used as continuous prime power and emergency standby power for large manufacturing factories, heavy machinery processing bases, chemical industrial parks and large mining enterprises. The stable 300kW prime power output fully meets the long-term operation demands of high-power production lines, forging and stamping equipment, mechanical processing units and industrial electrical systems. It can serve as the main off-grid power source for remote industrial zones and backup power for grid-connected key enterprises, effectively avoiding large-scale production shutdown and massive economic losses caused by sudden mains power failure or voltage fluctuation.
Key Public & Commercial Facility Scenarios: This high-power industrial genset provides critical emergency power guarantee for large shopping malls, super high-rise office buildings, star hotels, municipal hospitals, medium and large data centers and urban traffic hubs. These key public and commercial scenarios have extremely high requirements for power supply continuity and safety. In case of municipal power grid failure, seasonal power rationing or routine power grid maintenance, the unit can start quickly and complete seamless power switching, ensuring the normal operation of elevators, medical precision instruments, fire protection systems, monitoring equipment and server room facilities, and safeguarding public safety and stable commercial operation.
Large-Scale Infrastructure Engineering Scenarios: It is the mainstream temporary power supply equipment for highway reconstruction, bridge engineering, water conservancy projects, railway construction and municipal infrastructure upgrading. Benefiting from IP23 dust and rain resistance, low-temperature startup performance and strong anti-load impact capability, the unit can adapt to complex and harsh outdoor construction environments, providing stable and lasting power support for heavy construction machinery, on-site lighting and temporary living and office facilities.
Field Operation & Emergency Rescue Scenarios: It is perfectly applicable to off-grid power supply for remote field exploration bases, large logistics parks, communication base station clusters and pastoral mining areas. Meanwhile, it can be used as emergency power supply for natural disaster rescue, power grid emergency maintenance and sudden regional power outage accidents, providing reliable continuous high-power power guarantee for field operations and emergency disposal work.
4. Core Product Purposes
As a professional heavy-duty high-power industrial diesel generator set, the core purpose of the SC15G500D2 SDEC diesel generator is to provide stable, efficient and low-failure full-scenario high-power power guarantee for large industrial and engineering high-load scenarios, covering three core functional positioning: off-grid main power supply, grid-connected emergency standby power supply and power peak shaving.
Firstly, it acts as off-grid prime power supply equipment. For remote construction bases, mining areas, field operation teams and industrial zones without complete municipal power grid coverage, the 300kW/375kVA high-power output serves as the long-term main power source to provide 24-hour uninterrupted power supply for large production equipment, living facilities and office systems. Its durable 14.16L large-displacement engine structure and stable fuel supply system support long-term continuous operation, solving the high-power power shortage problem of large-scale off-grid projects.
Secondly, it undertakes grid-connected emergency standby power supply for key industries and units. For industrial manufacturing enterprises, medical institutions, data centers and public service facilities that cannot tolerate power interruption, the genset acts as an essential backup power source for the municipal power grid. In case of unexpected power failure, power grid faults or seasonal power rationing, it can quickly take over full load operation to ensure uninterrupted operation of core production and service equipment, avoiding safety accidents and massive economic losses caused by power outages.
Thirdly, it functions as an effective power peak shaving device for enterprise power consumption. During peak periods of regional power grid tension and insufficient power supply, the genset can independently bear part of the high-load production power demand, relieve enterprise power consumption pressure, prevent production stagnation caused by power grid power limits, and ensure continuous and stable progress of large-scale production and operation tasks.
5. Common FAQ
Q1: What is the practical difference between prime power and standby power of the SC15G500D2 generator set?
A1: The 300kW/375kVA prime power is the rated continuous operating power of the genset, supporting 24-hour long-term uninterrupted operation and suitable for daily off-grid main power supply and long-term fixed high-load industrial operation. The 330kW/413kVA standby power is short-time emergency peak power, which is about 10% higher than the prime power. It is only designed for temporary emergency power supply after mains power failure and is prohibited from long-term full-load operation. In actual on-site engineering use, professional operators recommend controlling the conventional operating load within 80% to 90% of the prime power to reduce engine operating load, avoid excessive wear and extend the overall service life of the genset.
Q2: What are the core advantages of the brushless self-excited alternator equipped on this 375kVA SDEC genset?
A2: This heavy-duty industrial diesel generator adopts a high-performance brushless self-excited alternator, which has obvious practical advantages over traditional brushed alternators. It completely eliminates carbon brush wear, friction sparks and contact failure problems during high-load operation, greatly improving operational safety and reducing daily failure rates. Matched with H-grade super heat-resistant insulation and IP23 dust-proof and rain-proof protection standard, it can resist high temperature, dust and moisture erosion effectively. The output voltage and frequency waveform is stable and clean, causing no impact damage to precision instruments and high-power industrial equipment. Meanwhile, it realizes nearly maintenance-free daily operation, saving a large amount of manual maintenance time and vulnerable part replacement costs for users.
Q3: What is the fuel consumption level and standard maintenance cycle of the SC15G500D2 genset?
A3: The full-load fuel consumption of the unit is 79.8L/H, which is a stable and reasonable fuel consumption level for heavy-duty 375kVA–413kVA industrial generator sets, fully matching long-term high-power continuous operation requirements. For daily maintenance, users only need to regularly check fuel stock, cooling water level, pipeline tightness and unit operating sound. Routine maintenance including engine oil replacement, filter element replacement and radiator dust cleaning is required every 200 operating hours. A comprehensive equipment inspection, component fastening and overall overhaul is recommended every 1000 operating hours. Benefiting from the mature SDEC SC15G series large-displacement engine technology and optimized brushless alternator structure, the unit features stable performance and lower comprehensive operation and maintenance costs than ordinary high-power gensets.

